If the temperature of the interior of a refrigerator is 7° C and the temperature of surroundings is 27° C, what should be the coefficient of performance of the refrigerator working between those temperature?
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- What is Carnot efficiency of a heat engine operating between the temperatures of165 and 2 Give the result as a decimal - not percent! Calculate answer to two decimals.An ideal Carnot engine is operated between a hot and a cold reservoir. The temperaturedifference between the two reservoirs is 284°C. If the efficiency of this ideal engine is 24.0%,find the temperature of the cold reservoir in degrees Celsius.A refrigerator operates between temperatures of 315 and 279 K. What would be its maximum coefficient of performance?
- What is carnot efficiency of a heat engine operating between the temperatures of 381 degrees celsius and -11 degrees celsius. Give the result as a decimal - not percent! calculate in two decimals.The temperature at the surface of the Sun is approximately 5,600 K, and the temperature at the surface of the Earth is approximately 291 K. What entropy change of the Universe occurs when 4.50 103 J of energy is transferred by radiation from the Sun to the Earth? ____________ J/KSuppose a heat engine design makes a square on a PV diagram, using a monatomic gas. The high pressure is 3P and low pressure is P. The high volume is 3V and low volume is V. What is the efficiency of the heat engine?